M.4
소수의 덧셈과 뺄셈
2분기 (12~2월)소수점을 맞추어 소수 셋째 자리까지의 소수 더하고 빼기
난이도
보통
문제 수
Add & Subtract Decimals
Skill M.4 · Adding & subtracting decimals · ★★☆ Medium · Quarter 2
- Name
- Date
Score/ 12
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Add or subtract.
Example
4151.60
45.60
+7.85
53.45
Think: Line up the decimal points. Think of as , so both numbers have hundredths, then add: .
- 131.300−24.519
- 279.8−79.1
- 398.251+49.030
- 474.30+5.45
- 570.30−55.39
- 654.550+45.063
- 769.670−34.234
- 858.330+8.286
- 967.69−25.41
- 1089.157−12.380
- 1149.623+11.279
- 121.700+64.548
Answer Key
M.4 Add & Subtract Decimals · ★★☆ Medium
- 16.781
- 20.7
- 3147.281
- 479.75
- 514.91
- 699.613
- 735.436
- 866.616
- 942.28
- 1076.777
- 1160.902
- 1266.248